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olchik [2.2K]
3 years ago
7

The sides of a triangle have lengths 3, 8, and 9. What kind of triangle is it?

Mathematics
1 answer:
Serga [27]3 years ago
8 0

Answer:

obtuse

Step-by-step explanation:

hope this helps dude

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I know the answer to number 7 but I just want to see if you guys know it
elixir [45]
Plugging 10 for k in the expression gives us
2(10)^2+5(10)+1 We simplify this expression to  200+50+1=251
251 is your answer
4 0
3 years ago
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NEED HELP ASAP.....At the 2012 Summer Olympic Games in London, in the Men's Shot Put qualifying round, the distances ranged from
jeka57 [31]

Answer:

About 6 athletes.

Step-by-step explanation:

We are concerned only with the percent of athletes that are above one standard deviation.

Between one standard deviation and two standard deviations, there is 13.6% of the athletes.

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The sum of those percentages is 15.9% of 40 = 0.159 · 40 = 6.36 or about 6 athletes.

Hope this helps.

6 0
4 years ago
Solving for Y. Write the slope-intercept form of the equation of each line. Show work!
Alborosie

Answer:

y = x-4

Step-by-step explanation:

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3 0
4 years ago
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mina [271]

Answer:

-2=x

Step-by-step explanation:

-17=x-15

Add 15 on both sides

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3 0
3 years ago
Which of the following can be the side lengths of a triangle?
kogti [31]
<span>In a triangle the sum of two sides is always greater than the third side.

</span><span>A:12,9,21
</span><span>12+9 = 21
21 = 21  </span>⇒  no

<span>B:7,6,12
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13 > 12  ⇒  yes

<span>C:3,8,14
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<span>D:23,13,37
</span>23+13= 36
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Answer: <span>B:7,6,12</span>
7 0
4 years ago
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